20511468

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 57934800

約数和(自身を除く): 37423332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 37, 54, 58, 59, 74, 81, 87, 108, 111, 116, 118, 148, 162, 174, 177, 222, 236, 261, 324, 333, 348, 354, 444, 522, 531, 666, 708, 783, 999, 1044, 1062, 1073, 1332, 1566, 1593, 1711, 1998, 2124, 2146, 2183, 2349, 2997, 3132, 3186, 3219, 3422, 3996, 4292, 4366, 4698, 4779, 5133, 5994, 6372, 6438, 6549, 6844, 8732, 9396, 9558, 9657, 10266, 11988, 12876, 13098, 15399, 19116, 19314, 19647, 20532, 26196, 28971, 30798, 38628, 39294, 46197, 57942, 58941, 61596, 63307, 78588, 86913, 92394, 115884, 117882, 126614, 138591, 173826, 176823, 184788, 189921, 235764, 253228, 277182, 347652, 353646, 379842, 554364, 569763, 707292, 759684, 1139526, 1709289, 2279052, 3418578, 5127867, 6837156, 10255734, 20511468]

約数ペア:

[(1, 20511468), (2, 10255734), (3, 6837156), (4, 5127867), (6, 3418578), (9, 2279052), (12, 1709289), (18, 1139526), (27, 759684), (29, 707292), (36, 569763), (37, 554364), (54, 379842), (58, 353646), (59, 347652), (74, 277182), (81, 253228), (87, 235764), (108, 189921), (111, 184788), (116, 176823), (118, 173826), (148, 138591), (162, 126614), (174, 117882), (177, 115884), (222, 92394), (236, 86913), (261, 78588), (324, 63307), (333, 61596), (348, 58941), (354, 57942), (444, 46197), (522, 39294), (531, 38628), (666, 30798), (708, 28971), (783, 26196), (999, 20532), (1044, 19647), (1062, 19314), (1073, 19116), (1332, 15399), (1566, 13098), (1593, 12876), (1711, 11988), (1998, 10266), (2124, 9657), (2146, 9558), (2183, 9396), (2349, 8732), (2997, 6844), (3132, 6549), (3186, 6438), (3219, 6372), (3422, 5994), (3996, 5133), (4292, 4779), (4366, 4698)]